funding for "washington week" be provided by -- ♪ >> wherever our trail blazers -- trains divorce, the economy comes to live. norfolk southern. one line, infinity possibilities the >> we know why we're here. to chart a greener path in the air and in our factories. >> to find cleaner, more efficient ways to power flight. >> and harness our technology for new energy solutions. >> around the globe, the people of boeing are working together to build a belter tomorrow. >> that's why we're here. additional funding is also provided by the annenberg foundation, the corporation for public broadcasting, and by contributions to your pbs stations from viewers like you. once again, live from washington, moderator gwen ifill. gwen: good evening. it's about 8:00 p.m. eastern time two fridays before the election and according to the app on my iphone, we have 10 days, 23 hours, 15 minutes and 53 seconds before the polls close. accord dog every one of what seems like a thousand polls taken this week, this thing say true dead heat. so what are the candidates up to? they are releasing new ads every day. it's said